B4X

Create a Temporary Public Link to a DropBox File

See more Dropbox Examples

Get a temporary link to stream content of a file. This link will expire in four hours and afterwards you will get 410 Gone. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim http As ChilkatHttp
http.Initialize("http")

'  Implements the following CURL command:

'  curl -X POST https://api.dropboxapi.com/2/files/get_temporary_link \
'      --header "Authorization: Bearer DROPBOX_ACCESS_TOKEN" \
'      --header "Content-Type: application/json" \
'      --data "{\"path\": \"/video.mp4\"}"

'  Use this online tool to generate code from sample JSON:
'  Generate Code to Create JSON

'  The following JSON is sent in the request body.

'  {
'    "path": "/video.mp4"
'  }

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("path", "/video.mp4")

http.SetRequestHeader("Authorization", "Bearer DROPBOX_ACCESS_TOKEN")

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpJson("POST", "https://api.dropboxapi.com/2/files/get_temporary_link", json, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
resp.GetBodySb(sbResponseBody)
Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode >= 400 Then
    Log("Response Header:")
    Log(resp.Header)
    Log("Failed.")
    Return
End If


'  Sample JSON response:
'  (Sample code for parsing the JSON response is shown below)

'  {
'    "metadata": {
'      "name": "Prime_Numbers.txt",
'      "id": "id:a4ayc_80_OEAAAAAAAAAXw",
'      "client_modified": "2015-05-12T15:50:38Z",
'      "server_modified": "2015-05-12T15:50:38Z",
'      "rev": "a1c10ce0dd78",
'      "size": 7212,
'      "path_lower": "/homework/math/prime_numbers.txt",
'      "path_display": "/Homework/math/Prime_Numbers.txt",
'      "sharing_info": {
'        "read_only": true,
'        "parent_shared_folder_id": "84528192421",
'        "modified_by": "dbid:AAH4f99T0taONIb-OurWxbNQ6ywGRopQngc"
'      },
'      "is_downloadable": true,
'      "property_groups": [
'        {
'          "template_id": "ptid:1a5n2i6d3OYEAAAAAAAAAYa",
'          "fields": [
'            {
'              "name": "Security Policy",
'              "value": "Confidential"
'            }
'          ]
'        }
'      ],
'      "has_explicit_shared_members": false,
'      "content_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
'    },
'    "link": "https://dl.dropboxusercontent.com/apitl/1/YXNkZmFzZGcyMzQyMzI0NjU2NDU2NDU2"
'  }

'  Sample code for parsing the JSON response...
'  Use the following online tool to generate parsing code from sample JSON:
'  Generate Parsing Code from JSON



Dim template_id As String
Dim j As Int
Dim count_j As Int
Dim name As String
Dim value As String

Dim metadataName As String = jResp.StringOf("metadata.name")
Dim metadataId As String = jResp.StringOf("metadata.id")
Dim metadataClient_modified As String = jResp.StringOf("metadata.client_modified")
Dim metadataServer_modified As String = jResp.StringOf("metadata.server_modified")
Dim metadataRev As String = jResp.StringOf("metadata.rev")
Dim metadataSize As Int = jResp.IntOf("metadata.size")
Dim metadataPath_lower As String = jResp.StringOf("metadata.path_lower")
Dim metadataPath_display As String = jResp.StringOf("metadata.path_display")
Dim metadataSharing_infoRead_only As Boolean = jResp.BoolOf("metadata.sharing_info.read_only")
Dim metadataSharing_infoParent_shared_folder_id As String = jResp.StringOf("metadata.sharing_info.parent_shared_folder_id")
Dim metadataSharing_infoModified_by As String = jResp.StringOf("metadata.sharing_info.modified_by")
Dim metadataIs_downloadable As Boolean = jResp.BoolOf("metadata.is_downloadable")
Dim metadataHas_explicit_shared_members As Boolean = jResp.BoolOf("metadata.has_explicit_shared_members")
Dim metadataContent_hash As String = jResp.StringOf("metadata.content_hash")
Dim link As String = jResp.StringOf("link")
Dim i As Int = 0
Dim count_i As Int = jResp.SizeOfArray("metadata.property_groups")
Do While i < count_i
    jResp.I = i
    template_id = jResp.StringOf("metadata.property_groups[i].template_id")
    j = 0
    count_j = jResp.SizeOfArray("metadata.property_groups[i].fields")
    Do While j < count_j
        jResp.J = j
        name = jResp.StringOf("metadata.property_groups[i].fields[j].name")
        value = jResp.StringOf("metadata.property_groups[i].fields[j].value")
        j = j + 1
    Loop
    i = i + 1
Loop